1957 Armstrong Siddeley Sapphire vs. 1986 BMW 325
To start off, 1986 BMW 325 is newer by 29 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 2,493 cc (6 cylinders), 1986 BMW 325 is equipped with a bigger engine. In terms of performance, 1986 BMW 325 (171 HP @ 5800 RPM) has 86 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 1986 BMW 325 should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 1957 Armstrong Siddeley Sapphire weights approximately 105 kg more than 1986 BMW 325.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1986 BMW 325 (226 Nm @ 4000 RPM) has 65 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 1986 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1957 Armstrong Siddeley Sapphire | 1986 BMW 325 | |
| Make | Armstrong Siddeley | BMW |
| Model | Sapphire | 325 |
| Year Released | 1957 | 1986 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2493 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 171 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Torque | 161 Nm | 226 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 1255 kg |
| Vehicle Length | 4580 mm | 4330 mm |
| Vehicle Width | 1750 mm | 1650 mm |
| Vehicle Height | 1570 mm | 1390 mm |
| Wheelbase Size | 2900 mm | 2630 mm |
| Fuel Tank Capacity | 72 L | 90 L |
